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Merge pull request #882 from tschaub/zoom-box

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Restored zoom box behavior (thanks @ahocevar for the review).
This commit is contained in:
Tim Schaub
2013-02-14 14:48:27 -08:00
parent 30c82bad45 399c8ff643
commit fdb954100e
1 changed files with 6 additions and 6 deletions
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lib/OpenLayers/Control/ZoomBox.js
+6 -6
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@@ -83,8 +83,8 @@ OpenLayers.Control.ZoomBox = OpenLayers.Class(OpenLayers.Control, {
bounds = new OpenLayers.Bounds(minXY.lon, minXY.lat, bounds = new OpenLayers.Bounds(minXY.lon, minXY.lat,
maxXY.lon, maxXY.lat); maxXY.lon, maxXY.lat);
} else { } else {
var pixWidth = Math.abs(position.right-position.left); var pixWidth = position.right - position.left;
var pixHeight = Math.abs(position.top-position.bottom); var pixHeight = position.bottom - position.top;
var zoomFactor = Math.min((this.map.size.h / pixHeight), var zoomFactor = Math.min((this.map.size.h / pixHeight),
(this.map.size.w / pixWidth)); (this.map.size.w / pixWidth));
var extent = this.map.getExtent(); var extent = this.map.getExtent();
@@ -103,10 +103,10 @@ OpenLayers.Control.ZoomBox = OpenLayers.Class(OpenLayers.Control, {
oldRes = this.map.getResolution(), oldRes = this.map.getResolution(),
newRes = this.map.getResolutionForZoom(zoom), newRes = this.map.getResolutionForZoom(zoom),
zoomOriginPx = { zoomOriginPx = {
x: targetCenterPx.x + x: (oldRes * targetCenterPx.x - newRes * centerPx.x) /
(targetCenterPx.x - centerPx.x) * newRes / oldRes, (oldRes - newRes),
y: targetCenterPx.y + y: (oldRes * targetCenterPx.y - newRes * centerPx.y) /
(targetCenterPx.y - centerPx.y) * newRes / oldRes (oldRes - newRes)
}; };
this.map.zoomTo(zoom, zoomOriginPx); this.map.zoomTo(zoom, zoomOriginPx);
if (lastZoom == this.map.getZoom() && this.alwaysZoom == true){ if (lastZoom == this.map.getZoom() && this.alwaysZoom == true){